Used to describe the complete disappointment in something or someone.

sam: I couldn't skate today cuz it was raining

john: Dude, thats really crumily.
by shaguna August 24, 2007
Get the crumily mug.
Used to describe the poor performance of a person or object.
Randy: How's your car running?
Terry: Very crumily.
by Rooster1981 April 19, 2016
Get the crumily mug.